Home / 56,856.57-85,284.85-31,914.13

Finding the Fourth Proportional to 56,856.57, 85,284.85 and 31,914.13

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Solution

The fourth proportional to 56,856.57, 85,284.85 and 31,914.13 is: 47,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,856.57 : 85,284.85 = 31,914.13 : x
  2. Step 2: Convert to fraction form
    56,856.57/85,284.85 = 31,914.13/x
  3. Step 3: Cross multiply
    56,856.57x = 85,284.85 × 31,914.13
  4. Step 4: Simplify right side
    56,856.57x = 2,721,791,789.93
  5. Step 5: Solve for x
    x = 2,721,791,789.93/56,856.57
  6. Step 6: Final answer
    x = 47,871.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.